The red period number indicates that the corresponding period contains the day May 17, 20151.
The height of the purple bar is proportional to the average number of visits per daywithin the corresponding period.
Period 1 begins on May 26, 2013 ( ),
and Period 10 ends on June 7, 2020 ( ).
The number of visits over the 10 periods is 27951.
The average number of visits per day over the 10 periods is 10.88.1Before May 17, 2015, all each user visits (IP) were added, thereafter, only one visit per day for each user (IP) is added.